/**
 ******************************************************************************
 *
 * @file       nmeaparser.h
 * @author     Sami Korhonen Copyright (C) 2010.
 * @addtogroup GCSPlugins GCS Plugins
 * @{
 * @addtogroup GPSGadgetPlugin GPS Gadget Plugin
 * @{
 * @brief A gadget that displays GPS status and enables basic configuration
 *****************************************************************************/
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef NMEAPARSER_H
#define NMEAPARSER_H

#include <QObject>
#include <QtCore>
#include <stdint.h>
#include "buffer.h"
#include "gpsparser.h"

// constants/macros/typdefs
#define NMEA_BUFFERSIZE 128

typedef struct struct_GpsData {
    double Latitude;
    double Longitude;
    double Altitude;
    double Groundspeed;
    double Heading;
    int    SV;
    int    Status;
    double PDOP;
    double HDOP;
    double VDOP;
    double GeoidSeparation;
    double GPStime;
    double GPSdate;
} GpsData_t;

class NMEAParser : public GPSParser {
    Q_OBJECT

public:
    NMEAParser(QObject *parent = 0);
    ~NMEAParser();
    void processInputStream(char c);
    char *nmeaGetPacketBuffer(void);
    char nmeaChecksum(char *gps_buffer);
    void nmeaTerminateAtChecksum(char *gps_buffer);
    uint8_t nmeaProcess(cBuffer *rxBuffer);
    void nmeaProcessGPGGA(char *packet);
    void nmeaProcessGPRMC(char *packet);
    void nmeaProcessGPVTG(char *packet);
    void nmeaProcessGPGSA(char *packet);
    void nmeaProcessGPGSV(char *packet);
    void nmeaProcessGPZDA(char *packet);
    GpsData_t GpsData;
    cBuffer gpsRxBuffer;
    char gpsRxData[512];
    char NmeaPacket[NMEA_BUFFERSIZE];
    uint32_t numUpdates;
    uint32_t numErrors;
    int32_t gpsRxOverflow;
};

#endif // NMEAPARSER_H
